Credit Card Balance
Current balance and interest rate
Monthly Payment
Your planned payment amount
Payoff Progress
Balance and interest over time
Payment Comparison
| Monthly Payment | Time to Payoff | Total Interest | Total Paid |
|---|---|---|---|
| $100 | 11y 5mo | $8,657 | $13,657 |
| $200 | 2y 10mo | $1,749 | $6,749 |
| $300 | 1y 9mo | $1,021 | $6,021 |
| $500 | 1y 0mo | $574 | $5,574 |
Your Payment vs Minimum Payment
Your Payment ($200/mo)
2y 10mo
$1,749 interest
Minimum Payment (~$100/mo)
50y 0mo
$34,695 interest
You save $32,946 and pay off 47 years 2 months faster
Payment Schedule
| Month | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 1 | $200 | $108 | $92 | $4,892 |
| 2 | $200 | $110 | $90 | $4,781 |
| 3 | $200 | $112 | $88 | $4,669 |
| 4 | $200 | $114 | $86 | $4,554 |
| 5 | $200 | $117 | $83 | $4,438 |
| 6 | $200 | $119 | $81 | $4,319 |
| 7 | $200 | $121 | $79 | $4,198 |
| 8 | $200 | $123 | $77 | $4,075 |
| 9 | $200 | $125 | $75 | $3,950 |
| 10 | $200 | $128 | $72 | $3,822 |
| 11 | $200 | $130 | $70 | $3,692 |
| 12 | $200 | $132 | $68 | $3,560 |
Showing first 12 of 34 months
Tips to Pay Off Faster
Pay more than the minimum - even $25 extra makes a big difference over time.
Consider a balance transfer to a 0% APR card (watch for transfer fees).
Call and ask for a lower APR - many issuers will negotiate, especially if you have good history.
Use windfalls (tax refunds, bonuses) to make extra payments toward principal.
What if you paid
See how increasing your payment accelerates payoff and saves interest
Personalized Insights
3 insights based on your inputs
Smart Payment Strategy
By paying $200 instead of the minimum, you'll save $32,946 in interest and be debt-free 47 years 2 months sooner!
Long Payoff Timeline
At current payments, payoff takes 2 years 10 months. Adding just $50 more monthly could save you significant time and money.
High APR Alert
At 21.99% APR, consider calling to negotiate a lower rate or transferring to a 0% intro APR card to accelerate payoff.
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Frequently Asked Questions
How is credit card interest calculated?
Credit card interest is calculated using your Average Daily Balance multiplied by the Daily Periodic Rate (APR ÷ 365). Interest compounds daily, meaning you pay interest on interest. A $5,000 balance at 20% APR costs about $83/month in interest if unpaid.
What is a good credit card APR?
As of 2024, average credit card APRs range from 20-25%. Excellent credit may qualify for 15-19%, while store cards often charge 25-30%. A "good" APR is below 18%. However, the best strategy is paying in full monthly to avoid interest entirely.
Should I pay minimum or more?
Always pay more than the minimum when possible. Minimum payments are designed to maximize interest paid to the card company. A $5,000 balance with minimum payments could take 15+ years to pay off and cost more in interest than the original debt.
What is the snowball vs avalanche method?
Snowball: Pay minimums on all cards, put extra money toward the smallest balance. Good for motivation. Avalanche: Pay minimums on all, put extra toward the highest APR. Saves more money mathematically. Choose based on what keeps you motivated.
How do balance transfers work?
Balance transfers move debt from a high-APR card to one with a 0% intro APR (typically 12-21 months). Watch for transfer fees (usually 3-5%). You must pay off the balance before the intro period ends, or remaining balance gets hit with the regular APR.
Does closing a card hurt my credit?
Yes, closing cards can hurt credit by reducing available credit (increasing utilization ratio) and shortening average account age. Consider keeping old cards open with occasional small purchases. Only close if annual fees aren't worth it.
How this works
Credit cards are revolving credit — monthly interest on your balance is charged at your APR / 12 on the average daily balance. Paying only the minimum can extend payoff to decades; the calculator shows what happens with fixed-payment vs minimum-only vs extra.
What this tool can’t do
When to consult a professional
This is a software engineering tool, not financial advice. Run the math here, then take the result to a certified financial planner, CPA, or your bank before making a decision that materially affects your money.
Sources
- [1]Consumer Financial Protection Bureau (CFPB)Official sourceconsumerfinance.govAccessed Apr 21, 2026
US consumer finance regulator; authoritative on mortgage disclosures, APR rules, credit cards.

Full-stack software engineer specializing in embedded systems, web architecture, and AI/ML. Founder of Practical Web Tools. Built the gesture-controlled drone IP acquired by KD Interactive (Aura Drone, sold on Amazon).